Add test to ensure wit parses

Author: MendyBerger

test/ensure-parses/.gitignore

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+target

test/ensure-parses/Cargo.lock

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+[package]
+name = "ensure-parses"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+wit-parser = "0.227.1"

test/ensure-parses/Cargo.toml

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+#[cfg(test)]
+mod tests {
+    #[test]
+    fn graphics_context() {
+        assert_dir_parses("graphics-context");
+    }
+
+    #[test]
+    fn webgpu() {
+        assert_dir_parses("webgpu");
+    }
+
+    #[test]
+    fn surface() {
+        assert_dir_parses("surface");
+    }
+
+    #[test]
+    fn frame_buffer() {
+        assert_dir_parses("frame-buffer");
+    }
+
+    fn assert_dir_parses(path: &str) {
+        let mut resolve = wit_parser::Resolve::new();
+        resolve
+            .push_dir(&format!("../../{path}"))
+            .expect(&format!("{path} failed to parse"));
+    }
+}